Porto, capital of the Port wine, and the Ribeira district, UNESCO World Heritage Site. In the foreground the Rabelos boats, Porto-Portugal!

The dreamy Quinta da Regaleira in Sintra, Portugal. lso known as “Palace of Monteiro the Millionaire”, this romantic escapade of Quinta da Regaleira near the city center of Sintra, Portugal is listed as a World Heritage Site by UNESCO.